Question: What is the name of a data structure that starts with the letter t.
Paraphrase: What is the title of a information structure that begins with the letter t.
SPARQL (Wikidata): SELECT DISTINCT ?sbj ?sbj_label WHERE { ?sbj wdt:P31 wd:Q175263 . ?sbj rdfs:label ?sbj_label . FILTER(STRSTARTS(lcase(?sbj_label), 't')) . FILTER (lang(?sbj_label) = 'en') } LIMIT 25 
Answer: treap, treap, Task state segment, Task state segment, ternary search tree, ternary search tree